[GitHub] [rocketmq] foxeatsspicy opened a new issue, #4902: 把循环index的类型由long改为int，让循环前放置Safepoint，效果会不会比Thread.sleep(0)更好？

Fri, 26 Aug 2022 02:06:02 -0700 


foxeatsspicy opened a new issue, #4902:
URL: https://github.com/apache/rocketmq/issues/4902

   如题
   MappedFile 类，507~527行这个循环，把循环的i、j改成long类型。删除掉522行的Thread.sleep(0)。
   
![修改](https://user-images.githubusercontent.com/31239424/186868037-eb6bb37b-0b78-4e0f-8a6b-07c129d0abc3.png)
   
   这么改，关于gc方面的优化，效果会不会更好？代码看着也会更加优雅


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